Patents by Inventor Youji Yamaguchi

Youji Yamaguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20190329327
    Abstract: The present invention provides an inexpensive chuck device that can achieve both a stable gripping operation and a high degree of accuracy in gripping and can also reduce limitations in the gripping of a workpiece. According to the present invention, a chuck device is provided, the chuck device being characterized by comprising a chuck main body and a master jaw, wherein the chuck main body has an oscillation supporting hole, and the oscillation supporting holes are rotatably provided in plurality around a rotational axis of the chuck main body, and wherein the master jaw has a top jaw detachably provided on one end thereof, and is fitted into the oscillation supporting hole while maintaining surface contact therewith to enable sliding contact.
    Type: Application
    Filed: November 24, 2017
    Publication date: October 31, 2019
    Inventors: Naoyuki MASATSUGU, Toshihito NAKAMURA, Tamio NISHIMIYA, Youji YAMAGUCHI, Shuya ISHIKAWA, Yuichi HIRATA, Masanobu MIKAMI, Yujiro OKA
  • Publication number: 20120301992
    Abstract: It is to provide an electrolyte solution for a dye sensitized solar cell that does not generate a gas, can be used in a wide temperature range, and is excellent in durability. The electrolyte solution contains a chain sulfone compound represented by formula (1) as a solvent. (In the formula, R1 and R2 each independently represent an alkyl group having from 1 to 12 carbon atoms, which may be partially substituted by a halogen, an alkoxy group or an aromatic ring, an alkoxy group, or a phenyl group.
    Type: Application
    Filed: January 25, 2011
    Publication date: November 29, 2012
    Applicants: SUMITOMO SEIKA CHEMICALS CO., LTD., Japan Carlit Co., Ltd.
    Inventors: Kazumi Chiba, Youji Yamaguchi, Takehiro Hiyama, Ichiro Fuseya, Kazato Yanada
  • Patent number: 4783740
    Abstract: The inventory management system comprises a central control unit, a number of parts terminal units deposed at each parts container, and some guide terminal units arranged at each parts container shelf. A worker goes to a parts container in accordance with the guidance on the guide terminal units, performs parts storing, parts collecting or stocktaking jobs in accordance with a job display and parts quantity display on the parts terminal unit and can also correct a displayed parts quantity if the quantity displayed is not correct.
    Type: Grant
    Filed: December 24, 1986
    Date of Patent: November 8, 1988
    Assignees: Kabushiki Kaisha Toshiba, Yamato Electric Industry Co., Ltd.
    Inventors: Toshimichi Ishizawa, Ryuichi Nakagawa, Youji Yamaguchi, Takashi Kobayashi, Yoshihisa Toyoda, Nobuya Nishida, Yoshitaka Naya, Hiroshi Araki, Isao Adachi, Akimichi Ishikawa, Eiji Ootaki, Masayuki Nagatsuka